81 lines
2.9 KiB
C#
81 lines
2.9 KiB
C#
using AngleSharp;
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using AngleSharp.Dom;
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using System;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Threading.Tasks;
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namespace Rehau.Sku.Assist
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{
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static class SkuAssist
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{
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private static HttpClient _httpClient;
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private enum ResponseOrder
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{
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NoSettings,
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Relevance,
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Name,
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Price,
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Series
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}
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private static void _EnsureHttpClientRunning()
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{
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if (_httpClient == null)
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_httpClient = new HttpClient();
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}
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public async static Task<string> GetContent(string request)
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{
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Uri uri = _ConvertToUri(request, ResponseOrder.NoSettings);
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_EnsureHttpClientRunning();
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
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return await _httpClient.GetStringAsync(uri);
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}
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public async static Task<IDocument> GetDocument(Task<string> source)
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{
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IConfiguration config = Configuration.Default;
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IBrowsingContext context = BrowsingContext.New(config);
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return await context.OpenAsync(req => req.Content(source.Result));
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}
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public static IProduct GetProductFromDocument(IDocument document)
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{
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return document
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.All
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.Where(e => e.ClassName == "product-item__desc-top")
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.Select(e => new Product(e.Children[0].TextContent, e.Children[1].TextContent.Trim(new[] { '\n', ' ' })))
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.FirstOrDefault();
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}
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private static Uri _ConvertToUri(this string request, ResponseOrder order)
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{
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string cleanedRequest = request._CleanRequest();
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switch (order)
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{
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case ResponseOrder.Relevance:
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return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=relevance&q=" + cleanedRequest);
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case ResponseOrder.Name:
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return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=name&q=" + cleanedRequest);
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case ResponseOrder.Price:
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return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=price&q=" + cleanedRequest);
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case ResponseOrder.Series:
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return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=sch_product_series&q=" + cleanedRequest);
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case ResponseOrder.NoSettings:
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return new Uri("https://shop-rehau.ru/catalogsearch/result/?q=" + cleanedRequest);
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default:
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throw new ArgumentException();
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}
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}
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private static string _CleanRequest(this string input)
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{
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return input.Replace("+", " plus ");
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}
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}
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}
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